← BioTransfer GEO Dataset Finder
GEO series

Vitamin B12 Ameliorates Diabetic complications: potential role of Circadian pathway and the NAMPT–NAD⁺–SIRT1 Pathway

GSE306999 Mus musculus (mouse) RNA-seq (gene expression) 16 samples Submitted 2025/12/31 Platform GPL30172
At a glance

RNA-seq (gene expression) · mouse · 16 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Mus musculus (mouse)
Samples
16 samples
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
Vitamin B12 Protects Against Early Diabetic Kidney Injury and Alters Clock Gene Expression in MiceBiomolecules · 2025
Summary (written by the submitters)
Vitamin B12 is emerging as a potential therapeutic agent for diabetes-associated complications, with roles in redox balance, methylation, and mitochondrial function. Recent evidence suggests that B12 may also regulate circadian rhythms, which are closely linked to metabolic health. However, the connection between B12, circadian regulation, and protection against early diabetic liver and kidney damage remains unclear.
Read the full summary ↓
Diabetic (Elmo1H/HIns2Akita/+) and non-diabetic (Elmo1HH) mice were treated with or without Vitamin B12 (10 mg/kg/day) in drinking water for 8 weeks, starting at 8 weeks of age. At 16 weeks, blood, liver, and kidney samples were collected for biochemical, transcriptomic, and histological analysis. Vitamin B12 significantly reduced serum triglycerides, improved mesangial expansion in kidneys, and improved liver cellular structure in diabetic mice. B12 also modulated circadian gene expression, downregulating Clock, Bmal1, and Npas2 (40–50%) while upregulating Cry1/2, Per1–3, Nr1d2, and Dbp in both liver and kidney (130–180%), regardless of diabetic status. Importantly, B12 significantly increased Nampt expression in the liver (p = 0.0062) and kidney (p = 0.0013) of diabetic mice, suggesting enhancement of the NAMPT–NAD⁺–SIRT1 axis, a key pathway for mitochondrial redox control and circadian stability. Additionally, B12 upregulated several solute carrier (SLC) transporters involved in nutrient and ion homeostasis. Together, these findings indicate that Vitamin B12 offers early protective effects against diabetic complications by improving metabolic balance and enhancing Nampt expression, supporting its potential role in preventing liver and kidney damage via circadian and NAD⁺-dependent mechanisms.
Published in
Vitamin B12 Protects Against Early Diabetic Kidney Injury and Alters Clock Gene Expression in Mice
Wariyapperuma Appuhamillage NMW, Deshmukh AA, Moser RL et al. · Biomolecules 2025 · PMID 41463345 · doi:10.3390/biom15121689
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE306999_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA1314101 and SRA study SRP616677. Searching any of these in the dataset finder brings you back here.

Samples in this study

The sample list for this study is not cached yet. Press Load samples and it will be fetched from NCBI.

+ 16 more — browse all 16 samples with per-sample file links →

Datasets on a similar topic

Search all mouse RNA-seq datasets in GEO →

Share this dataset

Metadata from NCBI GEO, cached and refreshed periodically — the NCBI page above is authoritative. Downloads link straight to NCBI/ENA; nothing is proxied through BioTransfer.